in fact, the united states is the third largest producer of oil in the world today, and oil production has jumped 13% in the last three years alone, largely due to advances in technology. hydraulics fracking can now extract oil and gas trapped deep in shale rock and deepwater drilling in the gulf of mexico is bringing even more oil to the market. even with those advances, america, the world's biggest consumer of crude oil, still needs more than it produces. 29% of america's imported oil comes from right next door, much of it from the rich oil sands of canada. another 19% comes from mexico and venezuela. only 14% of america's imports actually come from saudi arabia. both president obama and mitt romney want to wean america off its dependency to foreign oil, and they agree that expanding domestic oil production is crucial, but there are key differences in their approaches. >> meeting the goal of cutting our old dependence depends largely on two things. first, finding and producing more oil at home, second, reducing our overall dependence on oil with cleaner alternative fuels and greater